#190403

Closest named color: Very Dark Brown (#1D0200). oklch(14.9% 0.041 27.8), rgb(25, 4, 3).

Aa

White text reads best on this color (19.81:1).

About this color

#190403 is a very dark, muted red. In OKLCH its lightness is 15%, its chroma 0.041 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.014 away. White text reads best on it, at 19.81:1.

Hue familyReds
Lightnessvery dark (15%)
Chromamuted (0.041)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.06:1
White text19.81:1

Values

HEX#190403
RGBrgb(25, 4, 3)
HSLhsl(3, 79%, 5%)
OKLCHoklch(14.9% 0.041 27.8)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #190403 19.81:1 AAA Lc -107.6 Preferred for body text
Black text on #190403 1.06:1 Fails Lc 0.0 Not readable
#190403 text on white 19.81:1 AAA Lc 105.7 Preferred for body text
#190403 text on black 1.06:1 Fails Lc 0.0 Not readable

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.

  1. Step 50

    50

    #FAF4F3

    oklch(97.2% 0.007 28.8)

  2. Step 100

    100

    #F3E7E5

    oklch(93.7% 0.013 28.9)

  3. Step 200

    200

    #EBD3CF

    oklch(88.6% 0.027 29)

  4. Step 300

    300

    #DFB5AF

    oklch(80.9% 0.05 27.7)

  5. Step 400

    400

    #CD8E86

    oklch(70.7% 0.078 27.3)

  6. Step 500

    500

    #BE7168

    oklch(63.1% 0.099 27.3)

  7. Step 600

    600

    #A9584F

    oklch(55.5% 0.108 27.6)

  8. Step 700

    700

    #914840

    oklch(49.1% 0.1 27.7)

  9. Step 800

    800

    #763B35

    oklch(42.6% 0.084 27.2)

  10. Step 900

    900

    #5F332E

    oklch(37.6% 0.065 27.4)

  11. Step 950

    950 (this color)

    #190403

    oklch(14.9% 0.041 27.8)

Export this scale for Tailwind in the Tailwind colors tool

#190403 with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#0807030.044
Deuteranopia (no green cones)#0E0C030.040
Tritanopia (no blue cones)#1D02040.014
Achromatopsia (no color)#0A0A0A0.041

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #190403

    #190403

    oklch(14.9% 0.041 27.8)

  • #000E10

    #000E10

    oklch(14.9% 0.025 204.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #190403

    #190403

    oklch(14.9% 0.041 27.8)

  • #18040B

    #18040B

    oklch(15% 0.041 358.4)

  • #160700

    #160700

    oklch(15% 0.036 58.6)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #190403

    #190403

    oklch(14.9% 0.041 27.8)

  • #000F0B

    #000F0B

    oklch(15.1% 0.028 177)

  • #000D17

    #000D17

    oklch(15% 0.032 236.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #190403

    #190403

    oklch(14.9% 0.041 27.8)

  • #010F03

    #010F03

    oklch(14.8% 0.039 148)

  • #05091C

    #05091C

    oklch(14.8% 0.042 269.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #190403

    #190403

    oklch(14.9% 0.041 27.8)

  • #0A0D00

    #0A0D00

    oklch(15% 0.035 118)

  • #000E10

    #000E10

    oklch(14.9% 0.025 204.5)

  • #0D071A

    #0D071A

    oklch(15% 0.041 296.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #190403, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #190403 in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.